1841–1895
National Gallery of Art, 1552
National Gallery of Art, 1624
National Gallery of Art, 1940
National Gallery of Art, 1400
National Gallery of Art, 1700
National Gallery of Art, 1985
National Gallery of Art, 1978
National Gallery of Art, 1925
National Gallery of Art, 1997
National Gallery of Art, 1937
National Gallery of Art, 1914
National Gallery of Art, 1939
![Hippocrates [reverse]](https://api.nga.gov/iiif/2f43d574-9117-481e-820d-be4268f08e7c/full/843,/0/default.jpg)
![Study VI, New York Harbor [#29, brown-gray and green-gray]](https://api.nga.gov/iiif/a40f01cc-8942-4f17-9c88-32d0980a12fe/full/843,/0/default.jpg)
